N252JX

Part: SMOKE WARNING — FALSE ACTIVATION (ZONE 200) · airframe 37,545 hrs · 34,555 cycles

CREW REPORTED- LAV SMOKE MESSAGE AND AURAL WARNING AT 500 FEET. CORR ACTION- MX PILOT REPORTED "LAV SMOKE" INDICATION ON EICAS AT 500-600FT, CLEARED AFTER 5 MIN. INSPECTED ALL FIRE BOTTLES, LIGHTS, AND PERFORMED OPERATIONAL CHECK OF LAV FIRE DETECTION SYSTEM IN REFERENCE TO EMB. OPS CHECK SATISFACTORY.

Part: NONE — NONE · airframe 35,772 hrs · 32,723 cycles

CREW REPORTED-CABIN WOULD NOT PRESSURIZE ON CLIMB OUT FROM PHX. RETURNED TO PHX, DESCENT AND LANDING UNEVENTFUL, EXCEPT THE CABIN WOULD NOT PRESSURIZE AT ANY TIME. CORR ACTION- MX PERFORMED PRESSURIZATION CHECKS IN BOTH AUTO AND MANUAL MODES, NO DEFECTS NOTED COULD NOT DUPLICATE.

Part: CONTROL UNIT — FAILED · airframe 35,643 hrs · 32,585 cycles

CREW REPORTED-WHILE ON DESCENT ON THE EICAS, FLAP SELECTOR IN THE 0 POSITION, “FLAP FAIL” ANNUNCIATION IN AMBER ILLUMINATED. FOLLOWED THE DIRECTION IN THE THE QRH, 8-7 FLAP FAILURE, CONFIRMED FLAP POSITION 0, VREF 45 +30 KTS =150, LANDING DISTANCE 1.65 X UNFACTORED DISTANCE OF 2665= 4398, WE DETERMINED THIS WAS ACCEPTABLE FOR CONTINUING TO KBUR RWY 8 VISUAL BACKED UP BY THE ILS, WE THEN DECLARED AN EMERGENCY WITH LA CENTER AND PROCEEDED TO LAND USING REVERSE THRUST, LOCAL EMERGENCY SERVICES VISUALLY INSPECTED THE AIRCRAFT AND TAXIED TO THE RAMP AS NORMAL. CORR ACTION- R&R'D FECU OPS TEST GOOD.

Part: FUEL CAP — MISSING · airframe 35,541 hrs · 32,468 cycles

ISSUE- CREW REPORTED UPON CLIMB OUT, WE RECEIVED A FUEL IMBALANCE CAUTION. THE FUEL WAS BALANCED ON THE GROUND. ARRIVING AT THE FUEL PAGE, I NOTICED WE WERE ALMOST 1000LBS OFF BETWEEN TANKS WITH THE RIGHT TANK BEING THE LOW SIDE. I IMMEDIATELY BEGAN A FUEL TRANSFER. AS SOON AS I BEGAN THE TRANSFER, I RECEIVED A CALL FROM THE FLIGHT ATTENDANT WHO ADVISED THAT CUSTOMERS ARE NOTICING A LOT OF FLUID COMING FROM THE RIGHT WING. I TALKED IT OVER WITH THE FO AND MADE THE DECISION TO RETURN GIVEN THE TWO EVENTS. UPON LANDING, MX NOTICED THE FUEL CAP WAS MISSING FROM THE TOP OF THE RIGHT WING. CORR ACTION- MX INSTALLED A NEW FUEL CAP. JSX ALSO INITIATED A FLEETWIDE FUEL CAP INSPECTION FOR CONDITION AND INSTALLATION.

Part: CONTROL MODULE — FAILED (CABIN PRESSURE) · airframe 35,179 hrs · 32,090 cycles

CREW REPORTED ON DEPARTURE WE NOTICED THAT THE CABIN RATE WAS STUCK ON ZERO FPM REGARDLESS OF THE KNOB POSITION. THE CABIN ALTITUDE AND PSI WOULD CHANGE ACCORDINGLY BUT WE WERE NOT ABLE TO GAUGE THE FPM DUE TO THE SENSOR NOT WORKING. WE DIVERTED TO KBUR AT 12,000FT. MX TROUBLESHOT IT TO BAD CPAM AND TWO LOOSE CONNECTORS ON OUTFLOW VALVE. MX TIGHTENED THE CANNON PLUGS AND R&R'D THE CPAM. ALL OPS CHECKS GOOD.

Part: PROXIMITY SENSOR — BROKEN (MLG) · airframe 35,169 hrs · 32,079 cycles

ISSUE- CREW REPORTED REPEAT. GEAR WARNING ACTIVATED AT GEAR RETRACTION AFTER TAKEOFF AND WOULD NOT SILENCE UNTIL GEAR WAS LOWERED. CORR ACTION-MX DISCOVERED BROKEN PROXIMITY SWITCH. REMOVED AND REPLACED PROXIMITY SWITCH, UPLOCK PROXIMITY SWITCH

Part: ELECTRICAL BOX — INOPERATIVE (MLG) · airframe 35,171 hrs · 32,080 cycles

ISSUE-CREW REPORTED REPEAT SNAG . LANDING GEAR WARNING ACTIVATED UPON RAISING GEAR ON TAKEOFF. AURAL VISUAL WARNINGS “LANDING GEAR”.. LOWERED GEAR, WARNINGS SILENCED RETURNED TO LAND. CORR ACTION MX TROUBLESHOT AND R&R'D LGEU PN 355-022-003 NO FIX, R&R'D NLG HARNESS PN 145-21490-407-NO FIX. AIRCRAFT WAS THEN MOVED TO LAS MX STATION WHERE MX TROUBLESHOT TO THROTTLE QUADRANT ROTARY SWITCHES REQUIRED AN ADJUSTMENT AND LGEU FAULTY SO THEY REPLACED LGEU ALL OPS TEST GOOD.

Part: PROXIMITY SWITCH — LOOSE (MLG) · airframe 35,168 hrs · 32,078 cycles

ISSUE-CREW REPORTED LANDING GEAR WARNING ACTIVATED DURING RETRACTION AFTER TAKEOFF AND WOULD NOT SILENCE UNTIL GEAR WAS LOWERED. CORR ACTION- MX FOUND NLG DOOR SEQUENCE PROX SWITCH LOOSE RESECURED OK TO CONTINUE.

Part: SERVICE PANEL — BENT · airframe 34,692 hrs · 31,575 cycles

CREW FELT A SUDDEN YAW LEFT MOTION AT CRUISE FL310. THE AMOUNT OF DRAG WAS TOO MUCH TO MAINTAIN CRUISE SPEED. CREW DECLARED AN EMERGENCY AND ELECTED TO DIVERT TO LAX. UPON INSPECTION AFTER LANDING PANEL 414CB HAD SEPARATED HALFWAY CAUSING THE DRAG AND YAWING. PANEL WAS REMOVED PER THE JSX CDL AND SPEED TAPE APPLIED. PARTS HAVE BEEN ORDERED FOR PANEL REPLACEMENT.

Part: CONTROL MODULE — INTERMITTENT (ZONE 700) · airframe 34,399 hrs · 31,233 cycles

LANDING GEAR DID NOT RETRACT AFTER TAKEOFF. CREW RAN QRH AND IT RETRACTED. CREW DID ANOTHER GEAR CYCLE AND IT CAME DOWN, BUT DID NOT RETRACT AGAIN. PERFORMED AIR RETURN. CORR ACTION R&R'D LANDING GEAR CONTROL MODULE OPS TESTED GOOD.

Part: FILTER — CLOGGED · airframe 33,997 hrs · 30,794 cycles

/JSX FLT 9401 NON REV REPO LEG, 1ST RTF, CREW DECLARED AN EMERGENCY DUE TO BLEED 2 OVER HEAT AND CABIN PRESSURIZATION SPIKE RETURNED TO FIELD NO FURTHER ISSUES. CORR ACTION FAV FILTER CLOGGED REMOVED AND CLEANED FILTER AND REINSTALLED BLEED 2 OPS TEST GOOD. 2ND RTF CREW RETURNED TO FIELD DUE TO BLEED 2 OVER HEAT EICAS MESSAGE CORR ACTION DEFERRED BLEED 2 SYSTEM. LATER OPS TESTED GOOD NO OVERHEAT MESSAGES AND HAS FLOWN 8 LEGS NO BLEED 2 ISSUES AS OF 9/13/21.

Part: ACM — SEIZED (NR 1) · airframe 33,996 hrs · 30,793 cycles

CABIN CREW NOTED OIL/SMOKE SMELL IN CABIN ON SHORT FINAL; FLIGHT CREW NOTED PACK 1/BLD 1 VLV FAILS ON EICAS AND CREW DECLARED AN EMERGENCY LANDED NO FURTHER OCCURRENCES. TROUBLESHOT TO SEIZED AIR CYCLE MACHINE. DEFERRED THE PACK 1 SYSTEM AND OPS TESTED BLEED 1 SYSTEM WHICH OPS TESTED GOOD.

Part: SEAT FRAME — CRACKED (CABIN) · airframe 33,654 hrs · 30,430 cycles

HAD 3 EACH SINGLE SEAT PN 41042002-109 SN 03396,03397 & 03393 CRACKED ON SEAT FRAME BELOW AISLE ARMREST

Part: SMOKE DETECTOR — FALSE ACTIVATION (CARGO BAY) · airframe 29,496 hrs · 25,705 cycles

DUIRNG FLIGHT AFTER LEVEL OFF ALTITUDE FL280, RECEIVED AN EICAS RED WARNING INDICATION FOR CARGO SMOKE. ACCOMPLISHED THE QRH. APPLED THE EXTINGUISHING AGENT AND COMPLETED A VISUAL INSPECTION BY THE F/A WITH NO SIGNIFICANT ABNORMALITY PRESENT. REQUESTED TO DIVERT. AN EMERGENCY WAS DECLARED. DURING DESCENT, THE EICAS RED WARNING INDICATION EXTINGUISHED. AFTER LANDING, A VISUAL INSPECTION WAS PERFOMRED WITH NO VISIBLE EVIDENCE OF ANY ABNORMALITY PRESENT. ON ARRIVAL, FIRE AND MAINTENANCE PERSONNEL OPENED THE AFT CARGO DOOR FOR INSPECTION. NO APPARENT FIRE OR SMOKE. TESTED THE SMOKE DETECTION SYSTEM WAS NORMAL. NO FAULT FOUND.

Part: CABIN PRESSURE — MALFUNCTIONED · airframe 29,251 hrs · 25,368 cycles

CLIMBING THROUGH 15000 FT, THE CAPTAIN NOTICED THE CABIN ALTITUDE READS 9800 FT; IT HAD TURNED AMBER. HE SLOWED THE ASCENT AND CHECKED THE CONFIGURATION OF THE PRESSURIZATION SYSTEM AND THE BLEEDS AND PACKS. FOUND THE CONFIGURATION OF THE AIRCRAFT TO BE SET PROPERLY FOR AUTO PRESSURIZATION WITH THE BLEEDS AND PACKS SET FOR FLIGHT. THERE WERE NO CAS MESSAGES PRESENT. ATC WAS ASKED FOR AN IMMEDIATE DESCENT DUE TO A PRESSURIZATION ISSUE. THE CABIN ALTITUDE WAS NOW AT 13500FT. THE CREW DECLARED AN EMERGENCY AND BEGAN AN IMMEDIATE DESCENT TO 10000 FT. THEY LANDED WITHOUT INCIDENT. MAINTENANCE COMPLIED WITH ALL CHECKS THAT RECOMMENDED (INCLUDING OUTFLOW CHECKS AND AIRCRAFT PRESSURIZATION LEAK RATE CHECK). ALL OPS CHECKED WERE OK.